diff --git a/ChangeLog b/ChangeLog
index bc4ac6910f..509b16097b 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+Wed Jun  4 23:10:08 2008  Yusuke Endoh  <mame@tsg.ne.jp>
+
+	* ext/zlib/zlib.c (rb_gzfile_set_mtime): fix typo.
+
 Wed Jun  4 18:53:39 2008  Yukihiro Matsumoto  <matz@ruby-lang.org>
 
 	* object.c (rb_obj_alloc): RDoc updated.  a patch from Gaston
diff --git a/ext/zlib/zlib.c b/ext/zlib/zlib.c
index 47e53dceeb..b971ea76db 100644
--- a/ext/zlib/zlib.c
+++ b/ext/zlib/zlib.c
@@ -2402,7 +2402,7 @@ rb_gzfile_set_mtime(VALUE obj, VALUE mtime)
 	rb_raise(cGzError, "header is already written");
     }
 
-    if (FIXNUM_P(time)) {
+    if (FIXNUM_P(mtime)) {
 	gz->mtime = FIX2INT(mtime);
     }
     else {